How to patch MobileInstallation 3.0 Firmware

1. Go to “Cydia”.

2. Click on “Manage” tab on the bottom.

3. Now click on “Sources”

4. Click on “Edit” and then on “Add”. Type “http://cydia.hackulo.us” and click on “Add Source”.

5. After installation is completed. Search for “AppSync” in Cydia and install this application. This app will automatically patch your mobileinstallation file.

You should be now able to install all of your jailbroken apps on iPhone OS 3.0.